Home / 89,233.84-133,863.11-30,086.43

Finding the Fourth Proportional to 89,233.84, 133,863.11 and 30,086.43

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Solution

The fourth proportional to 89,233.84, 133,863.11 and 30,086.43 is: 45,133.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,233.84 : 133,863.11 = 30,086.43 : x
  2. Step 2: Convert to fraction form
    89,233.84/133,863.11 = 30,086.43/x
  3. Step 3: Cross multiply
    89,233.84x = 133,863.11 × 30,086.43
  4. Step 4: Simplify right side
    89,233.84x = 4,027,463,088.60
  5. Step 5: Solve for x
    x = 4,027,463,088.60/89,233.84
  6. Step 6: Final answer
    x = 45,133.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.